Heat sealing apparatus including a porous member and fluid pressure
United States Patent 3311525
US Patent References:
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- - 2837623

Gas burner
- - 2987118

Gas permeable body
- - 3049795

Method of sealing thermoplastic film overwrap
- - 3084489

Space heater
- - 3087041


Inventors:
Fanuzzi, James J.
Calvert, William L.
Publication Date:
03/28/1967
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Assignee:
UNION CARBIDE CORP
Primary Class:
156/497
Other Classes:
392/485, 392/379, 156/499
International Classes:
B29C65/10; B29C65/18
US Patent References:
3193406Edge regulator
Foreign References:
DE691430C
AU114269B